gcc/testsuite/gfortran.dg/implicit_2.f90

   1 ! { dg-do compile }
   2
   3 module implicit_2
   4   ! This should cause an error if function types are resolved from the
   5   ! module namespace.
   6   implicit none
   7   type t
   8     integer i
   9   end type
  10 contains
  11 ! This caused an ICE because we were trying to apply the implicit type
  12 ! after we had applied the explicit type.
  13 subroutine test()
  14   implicit type (t) (v)
  15   type (t) v1, v2
  16   v1%i = 1
  17   call foo (v2%i)
  18 end subroutine
  19
  20 ! A similar error because we failed to apply the implicit type to a function.
  21 ! This is a contained function to check we lookup the type in the function
  22 ! namespace, not it's parent.
  23 function f() result (val)
  24   implicit type (t) (v)
  25
  26   val%i = 1
  27 end function
  28
  29 ! And again for a result variable.
  30 function fun()
  31   implicit type (t) (f)
  32
  33   fun%i = 1
  34 end function
  35
  36 ! intrinsic types are resolved later than derived type, so check those as well.
  37 function test2()
  38   implicit integer (t)
  39   test2 = 42
  40 end function
  41 subroutine bar()
  42   ! Check that implicit types are applied to names already known to be
  43   ! variables.
  44   implicit type(t) (v)
  45   save v
  46   v%i = 42
  47 end subroutine
  48 end module